126
Figure 44 Network diagram
Table 8 Interface and IP address assignment
Router A GE1/0/1 10.110.1.1/24 Router C GE1/0/2 192.168.3.1/24
Router A GE1/0/2 192.168.1.1/24 Router D GE1/0/1 10.110.5.1/24
Router B GE1/0/1 10.110.2.1/24 Router D GE1/0/2 192.168.1.2/24
Router B GE1/0/2 192.168.2.1/24 Router D GE1/0/3 192.168.2.2/24
Router C GE1/0/1 10.110.2.2/24 Router D GE1/0/4 192.168.3.2/24
Configuration procedure
1. Assign an IP address and subnet mask for each interface, as shown in Figure 44. (Details not
shown.)
2. Configure OSPF on the routers in the PIM-DM domain. (Details not shown.)
3. Enable IP multicast routing, IGMP, and PIM-DM:
# On Router A, enable IP multicast routing.
<RouterA> system-view
[RouterA] multicast routing
[RouterA-mrib] quit
# Enable IGMP on the receiver-side interface (GigabitEthernet 1/0/1).
[RouterA] interface gigabitethernet 1/0/1
[RouterA-GigabitEthernet1/0/1] igmp enable
[RouterA-GigabitEthernet1/0/1] quit
# Enable PIM-DM on GigabitEthernet 1/0/2.
[RouterA] interface gigabitethernet 1/0/2
[RouterA-GigabitEthernet1/0/2] pim dm
[RouterA-GigabitEthernet1/0/2] quit
Ethernet
EthernetEthernet
Source
10.110.5.100/24
PIM-DM
Router A
Router B
Router C
Router D
Receiver
Host A
Host B
Host C
Host D
Receiver
N1N2
GE1/0/1
GE1/0/1
GE1/0/1
GE1/0/1 GE1/0/3 GE1/0/2
GE1/0/2GE1/0/4
GE1/0/2 GE1/0/2